This is a Vintage Navajo Morenci Turquoise Ring Signed Platero Sterling Silver Size 6.5 Native American. This gorgeous turquoise stone is from the Morenci mine in Morenci Arizona. It has been closed for many years. The turquoise, characteristically, is light to very dark blue in color with light tan matrix, and usually has specks of pyrite inclusions. Morenci mine turquoise is very sought after. This gorgeous turquoise ring has sterling silver scalloped wire, feather, and raindrop decoration, and includes quite a bit of pyrite. The shank is cold chisel split. It is signed PLATERO-ENE on the shank. The ring weighs 7.1 grams and the face measures 1 inch long.